The Homology and Cohomology Groups of H3. GANIT: Journal of Bangladesh Mathematical Society, [S. l.], v. 29, p. 139–146, 2011. DOI: 10.3329/ganit.v29i0.8523. Disponível em: https://www.banglajol.info/index.php/GANIT/article/view/8523. Acesso em: 6 jul. 2026.